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Stainless Steel Round Bar 304, 316, 17-4PH & 440C - Image 7
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Stainless Steel Round Bar 304, 316, 17-4PH & 440C

  • Wide Grade Selection: Available in austenitic (303, 304, 304L, 316, 316L), martensitic (410, 420, 440C), and precipitation-hardening (17-4PH, 15-5PH) grades to suit diverse application requirements.

  • Multiple Finishes: Offered in cold drawn, hot rolled, turned, ground, and polished finishes with precise diameter tolerances from 1/8″ to 12″ (3mm to 300mm).

  • Excellent Corrosion Resistance: Austenitic grades provide outstanding protection against oxidation and chemical attack; martensitic grades offer high hardness with moderate corrosion resistance.

  • Fully Certified: Manufactured per ASTM A276, A479, or A484 with mill test reports (MTR) and traceability for quality assurance.

Email: sales@hengyimetal.com
WhatsApp: +86 19521258704

Stainless steel round bar is a versatile, long-length solid metal product widely used across manufacturing, construction, automotive, aerospace, and food processing industries. Available in a broad range of grades, diameters, and finishes, stainless steel round bar offers an optimal balance of corrosion resistance, mechanical strength, and fabricability.

From precision shafts and fasteners to structural supports and pump components, stainless steel round bar serves as a fundamental material for countless engineering applications.

SpecificationDescription
ASTM A276Standard Specification for Stainless Steel Bars and Shapes
ASTM A479Stainless Steel Bars for Pressure Vessel Applications
ASTM A484General Requirements for Stainless Steel Bars
AMSAerospace Material Specifications (various grades)
DIN/EN1.4301, 1.4306, 1.4401, 1.4404, 1.4542, etc.
JISSUS304, SUS316, SUS410, SUS630, etc.

Available Finishes

FinishDescriptionTypical Applications
Hot Rolled (HR)As-rolled, dark oxide scale, rough surfaceForging, re-rolling, non-critical structural
Cold Drawn (CD)Bright, smooth surface, tight tolerancesGeneral machining, shafts, fasteners
Turned (TGP)True turned, clean surface, straightHydraulic rods, piston shafts, precision components
Ground & Polished (G&P)Mirror-like finish, exact diameterDecorative trim, medical instruments, food contact
Centerless GroundPrecision diameter with high surface qualityBearings, guide rods, precision tooling

 

Grade
200 series: 201,202,202Cu,204Cu,
300 series: 301,303/Cu,304/L/H,304Cu,305,309/S,310/S,316/L/H/Ti,321/H,347/H,330,
400 series: 409/L,410,416/F,420/F,430,431,440C,441,444,446,
600 series: 13-8ph,15-5ph,17-4ph,17-7ph(630,631),660A/B/C/D,
Duplex: 2205(UNS S31803/S32205),2507(UNS S32750),UNS S32760,2304,LDX2101.LDX2404,LDX4404,904L,
Others: 153Ma,254SMo,253Ma,654SMo,F15,Invar36,1J22,N4,N6,etcAlloy: Alloy 20/28/31;
Hastelloy: Hastelloy B / B-2/B-3/C22/C-4/S/ C276/C-2000/G-35/G-30/X/N;
Haynes: Haynes 230/556/188;
Inconel: Inconel 100/600/601/602CA/617/625713/718738/X-750,Carpenter 20;
Incoloy: Incoloy 800/800H/800HT/825/925/926;
GH: GH2132,GH3030,GH3039,GH3128,GH4180,GH3044;
Monel: Monel 400/K500;
Nitronic: Nitronic 40/50/60;
Nimonic: Nimonic 75/80A/90;
Nickle: Nickle 200/201.
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